NTSB investigations: Lycoming 0-540 series, NH

7 cases on aircraft whose registry engine model is Lycoming 0-540 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

NTSB investigations: Lycoming 0-540 series, NH per year, 1964–2026: 7 cases
1964	1
1971	1
1973	1
1978	1
1994	1
2006	1
2010	1

Where

Open the map

Latest cases

Query with SQL

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'NH' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"eventStateOrRegion\" = 'NH' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'NH' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB ERA10CA144Accident · No injuriesData collectionFinal reportPiper PA-28-236 · Alton Bay, NHThe pilot’s failure to maintain directional control while landing on an ice runway.Feb 14, 2010 · N236PR · Substantial damage NTSB NYC06CA105Accident · No injuriesData collectionFinal reportPiper PA-32-260 · Laconia, NHThe pilot's failure to maintain directional control during the landing.May 23, 2006 · N412PM · Substantial damage NTSB BFO94LA131Accident · No injuriesLimited investigationFinal reportPiper PA-28-236 · Wolfeboro, NHThe pilot's inadequate inflight decision, which resulted in a downwnind landing and overrun of the runway.Aug 10, 1994 · N3372M · Substantial damage NTSB NYC78FNC26Accident · No injuriesClosedPiper PA-24 · Barnstead, NHMay 14, 1978 · N6465P · Substantial damage NTSB NYC73FNC45Accident · No injuriesClosedPiper PA-24 · Keene, NHJan 1, 1973 · N4250 · Substantial damage NTSB NYC71DFG14Accident · No injuriesClosedPiper PA-24 · Twin Mountain, NHJan 17, 1971 · N5570P · Substantial damage NTSB UNK64X1463Accident · No injuriesClosedPiper PA24 · Laconia, NHApr 26, 1964 · N6227P · Substantial damage